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Branches of the E ‐Tree which are not Isomorphic
Author(s) -
Misercque Didier
Publication year - 1985
Publication title -
bulletin of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.396
H-Index - 48
eISSN - 1469-2120
pISSN - 0024-6093
DOI - 10.1112/blms/17.6.513
Subject(s) - successor cardinal , mathematics , tree (set theory) , combinatorics , discrete mathematics , mathematical analysis
We prove that there is a branch of the E ‐tree which has an immediate successor to its minimum. This answers questions raised by D. Jensen and A. Ehrenfeucht in [ 1 ] and by H. Simmons in [ 4 ].
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